Three-dimensional palmprint recognition method based on geometrical characteristics and direction characteristics
The invention discloses a three-dimensional palmprint recognition method based on geometrical characteristics and direction characteristics, and the method comprises the following steps: S1, preprocessing all three-dimensional palmprint point clouds, and building a three-dimensional palmprint point...
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| creator | ZHENG DONGLIANG DA FEIPENG GE SHAOYAN WANG XI JIANG CHANGJIN |
| description | The invention discloses a three-dimensional palmprint recognition method based on geometrical characteristics and direction characteristics, and the method comprises the following steps: S1, preprocessing all three-dimensional palmprint point clouds, and building a three-dimensional palmprint point cloud of a palmprint curved surface; s2, extracting shape index type features, curved surface type features and self-adaptive correction competitive coding features from the three-dimensional palmprint point cloud; s3, performing feature processing on the three features to obtain corresponding feature vectors; s4, establishing three dictionaries through the three feature vectors; s5, repeating S1-S3, extracting three feature vectors of the test three-dimensional palmprint point cloud; s6, performing classification processing on the three feature vectors of the test three-dimensional palmprint point cloud and the corresponding dictionaries to obtain three errors between the test three-dimensional palmprint point clo |
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s2, extracting shape index type features, curved surface type features and self-adaptive correction competitive coding features from the three-dimensional palmprint point cloud; s3, performing feature processing on the three features to obtain corresponding feature vectors; s4, establishing three dictionaries through the three feature vectors; s5, repeating S1-S3, extracting three feature vectors of the test three-dimensional palmprint point cloud; s6, performing classification processing on the three feature vectors of the test three-dimensional palmprint point cloud and the corresponding dictionaries to obtain three errors between the test three-dimensional palmprint point clo</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>HANDLING RECORD CARRIERS</subject><subject>IMAGE DATA PROCESSING OR GENERATION, IN GENERAL</subject><subject>PHYSICS</subject><subject>PRESENTATION OF DATA</subject><subject>RECOGNITION OF DATA</subject><subject>RECORD CARRIERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi7sKwkAURLexEPUfrh8QSAyIKSUoVlbpw3V3TC5kH-7u_-MiVlZWw5yZs1avYY5AZcTCJfGOFwq82BDFZYrQfnKSCyeLPHtDD04wVPoEX1AUXQw9c2SdESVl0YnYGTJS7I_5s27V6slLwu6bG7W_Xob-ViH4ESmwhkMe-3vT1G1XH46nc_vP5w1jnEUZ</recordid><startdate>20191029</startdate><enddate>20191029</enddate><creator>ZHENG DONGLIANG</creator><creator>DA FEIPENG</creator><creator>GE SHAOYAN</creator><creator>WANG XI</creator><creator>JIANG CHANGJIN</creator><scope>EVB</scope></search><sort><creationdate>20191029</creationdate><title>Three-dimensional palmprint recognition method based on geometrical characteristics and direction characteristics</title><author>ZHENG DONGLIANG ; 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| subjects | CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS |
| title | Three-dimensional palmprint recognition method based on geometrical characteristics and direction characteristics |
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